1 files changed, 55 insertions, 6 deletions

diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index acf5fc3ad7e4..eb8f427f9770 100644
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -10,6 +10,7 @@
 #include <linux/export.h>
 #include <linux/module.h>
 #include <linux/device.h>
+#include <linux/pinctrl/pinconf-generic.h>
 #include <linux/platform_device.h>
 #include <linux/ioport.h>
 #include <linux/io.h>
@@ -80,6 +81,8 @@ struct sdhci_acpi_host {
 enum {
 	DMI_QUIRK_RESET_SD_SIGNAL_VOLT_ON_SUSP			= BIT(0),
 	DMI_QUIRK_SD_NO_WRITE_PROTECT				= BIT(1),
+	DMI_QUIRK_SD_CD_ACTIVE_HIGH				= BIT(2),
+	DMI_QUIRK_SD_CD_ENABLE_PULL_UP				= BIT(3),
 };
 
 static inline void *sdhci_acpi_priv(struct sdhci_acpi_host *c)
@@ -719,9 +722,30 @@ static const struct acpi_device_id sdhci_acpi_ids[] = {
 };
 MODULE_DEVICE_TABLE(acpi, sdhci_acpi_ids);
 
+/* Please keep this list sorted alphabetically */
 static const struct dmi_system_id sdhci_acpi_quirks[] = {
 	{
 		/*
+		 * The Acer Aspire Switch 10 (SW5-012) microSD slot always
+		 * reports the card being write-protected even though microSD
+		 * cards do not have a write-protect switch at all.
+		 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"),
+		},
+		.driver_data = (void *)DMI_QUIRK_SD_NO_WRITE_PROTECT,
+	},
+	{
+		/* Asus T100TA, needs pull-up for cd but DSDT GpioInt has NoPull set */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "T100TA"),
+		},
+		.driver_data = (void *)DMI_QUIRK_SD_CD_ENABLE_PULL_UP,
+	},
+	{
+		/*
 		 * The Lenovo Miix 320-10ICR has a bug in the _PS0 method of
 		 * the SHC1 ACPI device, this bug causes it to reprogram the
 		 * wrong LDO (DLDO3) to 1.8V if 1.8V modes are used and the
@@ -736,15 +760,23 @@ static const struct dmi_system_id sdhci_acpi_quirks[] = {
 	},
 	{
 		/*
-		 * The Acer Aspire Switch 10 (SW5-012) microSD slot always
-		 * reports the card being write-protected even though microSD
-		 * cards do not have a write-protect switch at all.
+		 * Lenovo Yoga Tablet 2 Pro 1380F/L (13" Android version) this
+		 * has broken WP reporting and an inverted CD signal.
+		 * Note this has more or less the same BIOS as the Lenovo Yoga
+		 * Tablet 2 830F/L or 1050F/L (8" and 10" Android), but unlike
+		 * the 830 / 1050 models which share the same mainboard this
+		 * model has a different mainboard and the inverted CD and
+		 * broken WP are unique to this board.
 		 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "VALLEYVIEW C0 PLATFORM"),
+			DMI_MATCH(DMI_BOARD_NAME, "BYT-T FFD8"),
+			/* Full match so as to NOT match the 830/1050 BIOS */
+			DMI_MATCH(DMI_BIOS_VERSION, "BLADE_21.X64.0005.R00.1504101516"),
 		},
-		.driver_data = (void *)DMI_QUIRK_SD_NO_WRITE_PROTECT,
+		.driver_data = (void *)(DMI_QUIRK_SD_NO_WRITE_PROTECT |
+					DMI_QUIRK_SD_CD_ACTIVE_HIGH),
 	},
 	{
 		/*
@@ -757,6 +789,17 @@ static const struct dmi_system_id sdhci_acpi_quirks[] = {
 		},
 		.driver_data = (void *)DMI_QUIRK_SD_NO_WRITE_PROTECT,
 	},
+	{
+		/*
+		 * The Toshiba WT10-A's microSD slot always reports the card being
+		 * write-protected.
+		 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "TOSHIBA WT10-A"),
+		},
+		.driver_data = (void *)DMI_QUIRK_SD_NO_WRITE_PROTECT,
+	},
 	{} /* Terminating entry */
 };
 
@@ -866,12 +909,18 @@ static int sdhci_acpi_probe(struct platform_device *pdev)
 	if (sdhci_acpi_flag(c, SDHCI_ACPI_SD_CD)) {
 		bool v = sdhci_acpi_flag(c, SDHCI_ACPI_SD_CD_OVERRIDE_LEVEL);
 
+		if (quirks & DMI_QUIRK_SD_CD_ACTIVE_HIGH)
+			host->mmc->caps2 |= MMC_CAP2_CD_ACTIVE_HIGH;
+
 		err = mmc_gpiod_request_cd(host->mmc, NULL, 0, v, 0);
 		if (err) {
 			if (err == -EPROBE_DEFER)
 				goto err_free;
 			dev_warn(dev, "failed to setup card detect gpio\n");
 			c->use_runtime_pm = false;
+		} else if (quirks & DMI_QUIRK_SD_CD_ENABLE_PULL_UP) {
+			mmc_gpiod_set_cd_config(host->mmc,
+						PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_UP, 20000));
 		}
 
 		if (quirks & DMI_QUIRK_RESET_SD_SIGNAL_VOLT_ON_SUSP)